Zinc Oxide Nanowire Forest for Pool Boiling Heat Transfer
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概要
- 論文の詳細を見る
Zinc oxide (ZnO) nanowire forest is applied for the electronics cooling by means of pool boiling heat transfer. The forest was composed of lengthwise grown backbone and branched nanowires, which were highly dense and tree-like hierarchical structures. The platinum heater and resistance temperature detector were fabricated by microfabrication on one side of silicon chips and nanowire forest was synthesized on the other side. The superheat and heat flux were evaluated at steady state while the voltage in the heater was increased gradually. The heat flux gradually increased linearly with superheat at the initial stage of heating due to convective heat transfer and abruptly increased once the coolant started to boil. It seemed that the nanowire forest played a role of increased bubble nucleation sites with superhydrophilic nature leading to enhancement of boiling heat transfer. This sheds light on application of nanostructured surface as an effective electronics cooling by boiling heat transfer.
- 2012-11-25
著者
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Lee Seung
Department Of Anesthesiology And Pain Medicine Dong-a University Hospital
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Lee Dongjin
School of Mechanical Engineering, Konkuk University, Seoul 143-701, Korea
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Kim Taehyun
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
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Park Sungsik
School of Mechanical Engineering, Konkuk University, Seoul 143-701, Korea
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Ko Seung
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
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